http://encyclopedia.tfd.com/List+of+cannabis+strains

Check out that list. I'd bet you'd want an Indica, or dominant.

Indica
Developed Varieties

* Afghani #1
* Butterscotch Hawaiian
* Early Girl
* G-SUS
* Kush
* Mango
* Mazar
* Newberry
* Northern Lights #1
* Northern Lights #5
* Nutcruncher
* Oasis (NL)

Landrace (Pure) Varieties

* Afghani (Lowland, Highland - Afghan kush)
* Chinese
* Iranian
* Lebanese
* Moroccan (Kif)
* North Indian
* Pakistani
* Tajikistani
* Turkish
* Uzbekistani